console.log prod

webpack.config.js

@@ -9,7 +9,7 @@ var path = require('path')
 module.exports = () => {
   console.log('process', process.env)
   let envKeys = {}
-  if (process.env.NODE_ENV === 'production') {
+  if (process.env.VERCEL_ENV === 'production') {
     envKeys = { API_KEY: process.env.API_KEY }
   } else {
     // call dotenv and it will return an Object with a parsed key